Mercurial > hg > mercurial-crew-with-dirclash
view mercurial/ignore.py @ 5331:8ee5b8129e7b
hgweb: don't raise an exception when displying empty repos
The nullid node claims it's in the default branch, but the branch dict
is empty. This fixes the main symptom from issue696, but we may want
to set branchtags()['default'] = nullid somewhere for empty repos.
author | Alexis S. L. Carvalho <alexis@cecm.usp.br> |
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date | Mon, 24 Sep 2007 19:00:11 -0300 |
parents | ac97e065cfc7 |
children | fae670ee6c6d |
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# ignore.py - ignored file handling for mercurial # # Copyright 2007 Matt Mackall <mpm@selenic.com> # # This software may be used and distributed according to the terms # of the GNU General Public License, incorporated herein by reference. from i18n import _ import util def _parselines(fp): for line in fp: if not line.endswith('\n'): line += '\n' escape = False for i in xrange(len(line)): if escape: escape = False elif line[i] == '\\': escape = True elif line[i] == '#': break line = line[:i].rstrip() if line: yield line def ignore(root, files, warn): '''return the contents of .hgignore files as a list of patterns. the files parsed for patterns include: .hgignore in the repository root any additional files specified in the [ui] section of ~/.hgrc trailing white space is dropped. the escape character is backslash. comments start with #. empty lines are skipped. lines can be of the following formats: syntax: regexp # defaults following lines to non-rooted regexps syntax: glob # defaults following lines to non-rooted globs re:pattern # non-rooted regular expression glob:pattern # non-rooted glob pattern # pattern of the current default type''' syntaxes = {'re': 'relre:', 'regexp': 'relre:', 'glob': 'relglob:'} pats = {} for f in files: try: pats[f] = [] fp = open(f) syntax = 'relre:' for line in _parselines(fp): if line.startswith('syntax:'): s = line[7:].strip() try: syntax = syntaxes[s] except KeyError: warn(_("%s: ignoring invalid syntax '%s'\n") % (f, s)) continue pat = syntax + line for s, rels in syntaxes.items(): if line.startswith(rels): pat = line break elif line.startswith(s+':'): pat = rels + line[len(s)+1:] break pats[f].append(pat) except IOError, inst: if f != files[0]: warn(_("skipping unreadable ignore file '%s': %s\n") % (f, inst.strerror)) allpats = [] [allpats.extend(patlist) for patlist in pats.values()] if not allpats: return util.never try: files, ignorefunc, anypats = ( util.matcher(root, inc=allpats, src='.hgignore')) except util.Abort: # Re-raise an exception where the src is the right file for f, patlist in pats.items(): files, ignorefunc, anypats = ( util.matcher(root, inc=patlist, src=f)) return ignorefunc '''default match function used by dirstate and localrepository. this honours the repository .hgignore file and any other files specified in the [ui] section of .hgrc.'''